8021802544258 has 32 divisors (see below), whose sum is σ = 12336973608960. Its totient is φ = 3910446196800.

The previous prime is 8021802544241. The next prime is 8021802544289. The reversal of 8021802544258 is 8524452081208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58365663 + ... + 58502941.

It is an arithmetic number, because the mean of its divisors is an integer number (385530425280).

Almost surely, 2^{8021802544258} is an apocalyptic number.

8021802544258 is a deficient number, since it is larger than the sum of its proper divisors (4315171064702).

8021802544258 is a wasteful number, since it uses less digits than its factorization.

8021802544258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140802.

The product of its (nonzero) digits is 1638400, while the sum is 49.

The spelling of 8021802544258 in words is "eight trillion, twenty-one billion, eight hundred two million, five hundred forty-four thousand, two hundred fifty-eight".